454408109 has 4 divisors (see below), whose sum is σ = 455390016. Its totient is φ = 453426204.

The previous prime is 454408103. The next prime is 454408117. The reversal of 454408109 is 901804454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454408109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454408103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490259 + ... + 491184.

It is an arithmetic number, because the mean of its divisors is an integer number (113847504).

Almost surely, 2^454408109 is an apocalyptic number.

It is an amenable number.

454408109 is a deficient number, since it is larger than the sum of its proper divisors (981907).

454408109 is an equidigital number, since it uses as much as digits as its factorization.

454408109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981906.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 454408109 is about 21316.8503536522. The cubic root of 454408109 is about 768.8035102858.

The spelling of 454408109 in words is "four hundred fifty-four million, four hundred eight thousand, one hundred nine".